Home / 982,111,288.58-1,355,111,258.52-564,342,861.27

Finding the Fourth Proportional to 982,111,288.58, 1,355,111,258.52 and 564,342,861.27

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Solution

The fourth proportional to 982,111,288.58, 1,355,111,258.52 and 564,342,861.27 is: 778,676,891.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,111,288.58 : 1,355,111,258.52 = 564,342,861.27 : x
  2. Step 2: Convert to fraction form
    982,111,288.58/1,355,111,258.52 = 564,342,861.27/x
  3. Step 3: Cross multiply
    982,111,288.58x = 1,355,111,258.52 × 564,342,861.27
  4. Step 4: Simplify right side
    982,111,288.58x = 764,747,364,972,367,488
  5. Step 5: Solve for x
    x = 764,747,364,972,367,488/982,111,288.58
  6. Step 6: Final answer
    x = 778,676,891.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.